MLK-21402 drm/imx: dpu: kms: Trivial typo fix to remove a superfluous ";"

This patch fixes a trivial typo to remove a superfluous ";".

Fixes: 5bed4df1a154 ("MLK-21397 drm/imx: dpu: kms: Put possible pipe states properly")
Signed-off-by: Liu Ying <victor.liu@nxp.com>

drivers/gpu/drm/imx/dpu/dpu-kms.c

@@ -761,7 +761,7 @@ static int dpu_drm_atomic_check(struct drm_device *dev,
 		}
 
 		kfree(states);
-	};
+	}
 
 	drm_for_each_crtc(crtc, dev) {
 		if (pipe_states_prone_to_put[drm_crtc_index(crtc)]) {